Guidewire, a platform used in the insurance industry, is structured around several core concepts and design patterns that help manage and automate complex business processes, such as policy management, claims processing, and billing. Understanding the concepts of keyable beans, bundles, entity-aware and event-aware classes, delegates, and events is crucial for working effectively within the Guidewire ecosystem. Key Concepts Overview 1. Keyable Beans - Similarities : Keyable beans are a type of persistent entity in Guidewire, similar to other beans, in that they are stored in the database and represent rows in database tables. - Differences : Unlike non-keyable beans, keyable beans have a unique identifier (`ID`) that is used to uniquely distinguish them. Keyable beans can be referenced by other entities through this unique identifier, which is typically a primary key in the database. - Example : In PolicyCenter, a `PolicyPeriod` bean is...